Can't find your size? Email us at hello@thistleandspire.com with any sizing/product questions. We are happy to help you find the right fit!

Hey Sister Sister! There's a trick to finding similar bra-sizing with sister sizing. Sister bras have the same bra cup capacity even though they are different sizes. Your girls might be happier with sister sizing than your actual measured size depending on the type of bra and the shape of your breasts. For more details on sister sizing visit Bratabase.com.